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' APPARATUS FOR GENERATING INVQLUTES Filed Oct. 10, 1944 23 Sheets-Sheet 1 I nuenlor fuel 4 '06 A Home y 33 z unuoo [\LI'LHEIUE vvmw 0, 1947. E. A. COOKE 2,420,931

APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 23 Sheets-Sheet 2 2 3 5 f f\ 1 /6 f l 8 e I m if F I L. 82 a b l d Inventor frwaf J Gav.

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APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 23 Sheets-Sheet 4 I Invenior [rldr/ A. 'nal-e B Y L 1 a A ttorney May 20,1947. E. A. COOKE 2.420.931

APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 23 sheets-sheet s Inventor 5185/ 4 A llornev a a L 1 ulwoo ncrcnumc oearcn I100" May 29, 1947. E. A. COOKE 2,420,931

APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 2a Sheets-Sheet e In uentor Zines/- A. (Bake Attorney 5 5 Z UKUDD KLI'tKtNLJt ae'rlruu nuum Mag 20, 1947. E, A, COOKE 2,420,931

APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 23 Sheets-SheeC 7 F/G. 9. Q

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May 20, 1947. E. A. COOKE APPARATUS FOR GENERATING INVOLUTES 23 sheetsl-sneet 11 Filed Oct. 10. 1944 Inventor Ewes) ,4. (Maia vAttorney U U H URUO'J lu-l urn-11v uwrllbll HUUIH May 20, 1947. CQQKE 2,420,931

APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 v 23 Sheets-Sheet l2 N F G./ 8 4 N/ P2 pl P3, P4

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- APPARATUS FOR GENERATING INVOLUTES Filed 001;. 10, 1944 23 Sheets-Sheet l3 Ill l l l I l I l I I Inventor 51:25: A (Ba/e \mvuu lu-l l-HLIIUL uom uu IIUUIII E. A. COOKE APPARATUS FOR GENERATING INVOLUTES May 20, 1947.

25 sheets-sheet 14 Filed Oct. 10. 1944 Inventor fnusf A. we

May 20, 1947. E. A. COOKE 2,420,931

APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 23 Sheets-Sheet 15 r\ Q) N m O w z m (3' w 0 I nvenlor 557557 A (but B a wwwt Attorney May 20, 1947. E. A. co'oKE APPARATUS FOR GENERATING INVOLUTES 2:5 Sheets-Sheet 16 Filed Oct. 10, 1944 Inventor ERAIEST A. Cans y ,mzm

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APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 23 Sheets-Sheet 18 May 20, 1947.

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APPARATUS FOR GENERATING INVOLUTES Filed Oct. 10, 1944 23 Sheets-Sheet 2O Inventor R9 EMEsr/l Game 0 By g; 4.541%

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